Home / 1,996.35-2,750.58-1,490.06

Finding the Fourth Proportional to 1,996.35, 2,750.58 and 1,490.06

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Solution

The fourth proportional to 1,996.35, 2,750.58 and 1,490.06 is: 2,053.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.35 : 2,750.58 = 1,490.06 : x
  2. Step 2: Convert to fraction form
    1,996.35/2,750.58 = 1,490.06/x
  3. Step 3: Cross multiply
    1,996.35x = 2,750.58 × 1,490.06
  4. Step 4: Simplify right side
    1,996.35x = 4,098,515.48
  5. Step 5: Solve for x
    x = 4,098,515.48/1,996.35
  6. Step 6: Final answer
    x = 2,053.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.